| http://www.w3.org/ns/prov#value | - The improved electrical conductivity results from the addition of a conductivity improver comprising disilazane of the formula (R3 Si)2 NH where R is a substituted or unsubstituted alkyl radical of from 1 to 6 carbon atoms, or, in the case of pretreating the carbon particles, hydroxyl endblocked polymethylphenylsiloxane having a viscosity of from 0.1 to 1.0 Pa.s at 25??? C.
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